#ifndef _BITS_SYSCALLS_H #define _BITS_SYSCALLS_H #ifndef _SYSCALL_H # error "Never use directly; include instead." #endif #include #ifndef __ASSEMBLER__ #if __WORDSIZE == 32 # define __SYSCALL_STRING \ "t 0x10\n\t" \ "bcc 1f\n\t" \ "mov %%o0, %0\n\t" \ "sub %%g0, %%o0, %0\n\t" \ "1:\n\t" #elif __WORDSIZE == 64 # define __SYSCALL_STRING \ "t 0x6d\n\t" \ "sub %%g0, %%o0, %0\n\t" \ "movcc %%xcc, %%o0, %0\n\t" #else # error unknown __WORDSIZE #endif #define __SYSCALL_CLOBBERS "cc", "memory" #ifndef NOT_IN_libc #define DEBUG_SYSCALL(name) { \ char d[64];\ write( 2, d, snprintf( d, 64, "syscall %d error %d\n", __NR_##name, _inline_sys_result)); \ } #else #define DEBUG_SYSCALL(name) do{} while(0) #endif #define INTERNAL_SYSCALL_NCS(sys_num, err, nr, args...) \ (__extension__ \ ({ \ unsigned int __res; \ { \ register long __o0 __asm__("o0"); \ register long __g1 __asm__("g1") = sys_num; \ LOAD_ARGS_##nr(args) \ __asm__ __volatile__( __SYSCALL_STRING \ : "=r" (__res), "=&r" (__o0) \ : "1" (__o0) ASM_ARGS_##nr, "r" (__g1) \ : __SYSCALL_CLOBBERS ); \ } \ (int)__res; \ }) \ ) #define INTERNAL_SYSCALL_ERROR_P(val, err) \ ((unsigned int) (val) >= 0xfffff001u) # define CALL_ERRNO_LOCATION "call __errno_location;" #define __CLONE_SYSCALL_STRING \ "ta 0x10;" \ "bcs 2f;" \ " sub %%o1, 1, %%o1;" \ "and %%o0, %%o1, %%o0;" \ "1:" \ ".subsection 2;" \ "2:" \ "save %%sp, -192, %%sp;" \ CALL_ERRNO_LOCATION \ " nop;" \ "st %%i0, [%%o0];" \ "ba 1b;" \ " restore %%g0, -1, %%o0;" \ ".previous;" #define INLINE_CLONE_SYSCALL(arg1,arg2,arg3,arg4,arg5) \ ({ \ register long __o0 __asm__ ("o0") = (long)(arg1); \ register long __o1 __asm__ ("o1") = (long)(arg2); \ register long __o2 __asm__ ("o2") = (long)(arg3); \ register long __o3 __asm__ ("o3") = (long)(arg4); \ register long __o4 __asm__ ("o4") = (long)(arg5); \ register long __g1 __asm__ ("g1") = __NR_clone; \ __asm__ __volatile__ (__CLONE_SYSCALL_STRING : \ "=r" (__g1), "=r" (__o0), "=r" (__o1) : \ "0" (__g1), "1" (__o0), "2" (__o1), \ "r" (__o2), "r" (__o3), "r" (__o4) : \ __SYSCALL_CLOBBERS); \ __o0; \ }) #define LOAD_ARGS_0() #define ASM_ARGS_0 #define LOAD_ARGS_1(o0) \ __o0 = (int)o0; \ LOAD_ARGS_0() #define ASM_ARGS_1 ASM_ARGS_0, "r" (__o0) #define LOAD_ARGS_2(o0, o1) \ register int __o1 __asm__ ("o1") = (int) (o1); \ LOAD_ARGS_1 (o0) #define ASM_ARGS_2 ASM_ARGS_1, "r" (__o1) #define LOAD_ARGS_3(o0, o1, o2) \ register int __o2 __asm__ ("o2") = (int) (o2); \ LOAD_ARGS_2 (o0, o1) #define ASM_ARGS_3 ASM_ARGS_2, "r" (__o2) #define LOAD_ARGS_4(o0, o1, o2, o3) \ register int __o3 __asm__ ("o3") = (int) (o3); \ LOAD_ARGS_3 (o0, o1, o2) #define ASM_ARGS_4 ASM_ARGS_3, "r" (__o3) #define LOAD_ARGS_5(o0, o1, o2, o3, o4) \ register int __o4 __asm__ ("o4") = (int) (o4); \ LOAD_ARGS_4 (o0, o1, o2, o3) #define ASM_ARGS_5 ASM_ARGS_4, "r" (__o4) #define LOAD_ARGS_6(o0, o1, o2, o3, o4, o5) \ register int __o5 __asm__ ("o5") = (int) (o5); \ LOAD_ARGS_5 (o0, o1, o2, o3, o4) #define ASM_ARGS_6 ASM_ARGS_5, "r" (__o5) #endif /* __ASSEMBLER__ */ #endif /* _BITS_SYSCALLS_H */